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What star meets the current best guesses for habitability? This fascinating question is part of an ongoing research survey, in preparation for NASA's Terrestrial Planet Finder mission. The answer, according to the largest such classification so far attempted, is the 37th brightest star in the constellation, Gemini, called 37 Gem. This star, as it turns out, is the most like our own sun.
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Thursday, October 09, 2003
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Renowned neurologist Oliver Sacks is the author of many books, including "The Man Who Mistook His Wife for a Hat" and "Uncle Tungsten". In this first of a two-part essay on astrobiology, Dr. Sacks discusses his early fascination with the possibility of life on other worlds and the beginnings of life on Earth.
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Thursday, October 02, 2003
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Ann Druyan, the widow of renowned scientist Carl Sagan, and astrophysicist Steven Soter collaborated with Sagan over many years to create the famed television series Cosmos and numerous other projects. Druyan and Soter's latest collaborative project, The Search for Life: Are We Alone? screens at the Hayden Planetarium at the Rose Center for Earth and Space in New York. Narrated by Harrison Ford, the space show simulates a walk on Mars, a flyby of Jupiter's moon Europa, and other excursions with breathtaking realism. According to the New York Times, "the visuals of the Martian landscape surround the audience and create the feeling that, with a step or two, one could be out strolling among the rocks and dust of another world. The illusion is stunning." The Associated Press says, "It's quite a ride." In this interview with Astrobiology at NASA executive producer Kathleen Connell, Druyan and Soter discuss a range of subjects, such as how they depicted the possibilities of life beyond Earth, what the discovery of extraterrestrial life could mean for humanity, and what it was like to work alongside Carl Sagan.
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Sunday, September 28, 2003
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Great Debates (a five-part series) will show you the process of scientific debate in progress, as prominent scientists sift through the available evidence to reach what are sometimes directly opposing conclusions. Our first debate will explore the factors required to make a planet habitable and the question of whether complex life like that on Earth is common or rare in our galaxy.
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Thursday, September 25, 2003
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Neil deGrasse Tyson discusses the search for life in the Universe. Are we alone?
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Monday, September 22, 2003
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In this two-part essay, Director of the Hayden Planetarium, Neil deGrasse Tyson, reflects on the scientific and cultural implications of finding life elsewhere in the cosmos.
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Saturday, September 20, 2003
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In this two-part essay, Director of the Hayden Planetarium, Neil deGrasse Tyson, reflects on the scientific and cultural implications of finding life elsewhere in the cosmos.
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Thursday, September 18, 2003
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Edward Weiler, NASA's Associate Administrator for Space Science discusses the search for life in the Universe. Are we alone?
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Wednesday, September 17, 2003
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Expert debate panelists answer reader's questions: What might constitute a life form? What is the single strongest piece of evidence that we are alone? Did life appear multiple times independently on Earth? Is there evidence that life first came to Earth riding on a comet or meteor? Would life on Earth exist without the Moon?
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Saturday, September 13, 2003
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A recent European Space Agency report details the most promising investments for future technology, based on a studied wish-list borrowed from diverse arts. Their unique methodology prepared more than two hundred technical dossiers about what might be 'the next big thing' along with hints on how to get there from here.
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Friday, September 05, 2003
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